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Album caption and index card: Typical tebeldi tree in the "qoz" sand country between An Nahud and Khuwayy (Khuwei) in central Mudirifat Kurdufan. This tree like many others in the region has been hollowed out to form a living tank for long-term storage of drinking water. Such storage is drawn upon in time of drought. Storage is replenished by lifting hand line and bucket collected surface water which accumulates around the tree during rainy seasons. Sudan. n.d. Published as figure 35 in U.S. Geological Survey Professional Paper 911. 1976.
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Album caption and index card: H.G. Rodis, USGS hydrogeologist, and Sudanese hydrogeologists of the Geological Survey of Sudan observing drilling operations as shallow test well put down in the subaerial delta of the Nahr al Qash (Gash River) near Kassala. The alluvium is here about 23 m thick above bedrock and contains a basal water-bearing zone in sand and gravel about 7 m thick. Jabal Kassala, a typical African inselberg in monolithic granite gneiss, forms the background on the left. Sudan. n.d. Published as figure 34 in the U.S. Geological Survey Professional Paper 911. 1976.
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Album caption and index card: Reconnaissance field party inspecting shallow dug well tapping underflow in a wadi draining from the Red Sea Hills in northeastern Sudan, n.d. Published as figure 33 in U.S. Geological Survey Professional Paper 911. 1976.
    map background search result map search result map Inspection of shallow dug well. Red Sea Hills, Sudan. n.d. Hydrogeologists observing drilling operations. Sudan. n.d. Tebeldi tree in the sand country. Mudirifat Kurdufan, Sudan. n.d. Inspection of shallow dug well. Red Sea Hills, Sudan. n.d. Hydrogeologists observing drilling operations. Sudan. n.d. Tebeldi tree in the sand country. Mudirifat Kurdufan, Sudan. n.d.